Unit 2 - Section 15 - Uses of ICT systems
- Created by: annalee1234
- Created on: 11-04-17 13:06
View mindmap
- Uses of ICT systems
- What ICT can provide
- Fast, repetitive processing
- Vast storage capacity
- Improved search facilities
- Improved presentation of information
- Improved accessibility of information and services
- Improved security of data and proceses
- Is the use of ICT systems always appropriate?
- Limitations in what ICT systems can be used for
- ICT systems have limitations in the information that they produce
- How appropriate a solution is
- Types of processing
- Batch
- All the data is collected together in a group before processing
- Transaction files store jobs in queues until the computer system is ready to start processing
- The data held on the transaction files are used to update the master file
- e.g A payroll system
- The data held on the transaction files are used to update the master file
- Transaction files store jobs in queues until the computer system is ready to start processing
- All the data is collected together in a group before processing
- Interactive
- The user reacts to prompts from the computer and it uses these prompts to process data
- Transaction
- Allows many users to access and update a system at apparently the same time.
- Each transaction must be completed before the next transaction can begin
- e.g. Booking a seat on a airplane
- Each transaction must be completed before the next transaction can begin
- Allows many users to access and update a system at apparently the same time.
- Batch
- What ICT can provide
Similar ICT resources:
Teacher recommended
Comments
No comments have yet been made